Home / 2,428,445.16-3,642,032.70-722,129.22

Finding the Fourth Proportional to 2,428,445.16, 3,642,032.70 and 722,129.22

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Solution

The fourth proportional to 2,428,445.16, 3,642,032.70 and 722,129.22 is: 1,083,004.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,428,445.16 : 3,642,032.70 = 722,129.22 : x
  2. Step 2: Convert to fraction form
    2,428,445.16/3,642,032.70 = 722,129.22/x
  3. Step 3: Cross multiply
    2,428,445.16x = 3,642,032.70 × 722,129.22
  4. Step 4: Simplify right side
    2,428,445.16x = 2,630,018,232,865.49
  5. Step 5: Solve for x
    x = 2,630,018,232,865.49/2,428,445.16
  6. Step 6: Final answer
    x = 1,083,004.99

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.